docs: fix DocumentLengthRouter usage example (#9652)

anakin87 · davidsbatista · web-flow · commit 23237f76d224 · 2025-07-24T10:45:05.000Z
Co-authored-by: David S. Batista &lt;dsbatista@gmail.com&gt;
diff --git a/haystack/components/routers/document_length_router.py b/haystack/components/routers/document_length_router.py
@@ -37,6 +37,7 @@ class DocumentLengthRouter:
     #     "short_documents": [Document(content="Short", ...)],
     #     "long_documents": [Document(content="Long document ...", ...)],
     # }
+    ```
     """
 
     def __init__(self, *, threshold: int = 10) -> None:
